| Year | Qtr | # Shares | Change |
|---|---|---|---|
| 2016 | Q1 | 761,235 | -3,883,886 |
| 2015 | Q4 | 4,645,121 | -1,813,658 |
| 2015 | Q3 | 6,458,779 | +129,699 |
| 2015 | Q2 | 6,329,080 | -42,945 |
| 2015 | Q1 | 6,372,025 | +3,013,974 |
| 2014 | Q4 | 3,358,051 | +2,996,058 |
| 2014 | Q3 | 361,993 | -40,104 |
| 2014 | Q2 | 402,097 | -39,626 |
| 2014 | Q1 | 441,723 | +7,463 |
| 2013 | Q4 | 434,260 | +8,425 |
| 2013 | Q3 | 425,835 |